diff options
| author |   Song Liu <songliubraving@fb.com> | 2020-09-25 13:54:30 -0700 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2020-09-28 21:52:36 +0200 |
| commit | 88f7fe7233244101fa5b7786e2e298bf27fe1375 (patch) | |
| tree | 168b966ed1f1b5788ad78f65d8e403f265d13f7f /tools/lib/bpf/bpf.h | |
| parent | bpf: Enable BPF_PROG_TEST_RUN for raw_tracepoint (diff) | |
| download | linux-dev-88f7fe7233244101fa5b7786e2e298bf27fe1375.tar.xz linux-dev-88f7fe7233244101fa5b7786e2e298bf27fe1375.zip | |
libbpf: Support test run of raw tracepoint programs
Add bpf_prog_test_run_opts() with support of new fields in bpf_attr.test,
namely, flags and cpu. Also extend _opts operations to support outputs via
opts.
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200925205432.1777-3-songliubraving@fb.com
Diffstat (limited to 'tools/lib/bpf/bpf.h')
| -rw-r--r-- | tools/lib/bpf/bpf.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 8c1ac4b42f90..4f3568e55527 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -251,6 +251,32 @@ struct bpf_prog_bind_opts { LIBBPF_API int bpf_prog_bind_map(int prog_fd, int map_fd, const struct bpf_prog_bind_opts *opts); + +struct bpf_test_run_opts { + size_t sz; /* size of this struct for forward/backward compatibility */ + const void *data_in; /* optional */ + void *data_out; /* optional */ + __u32 data_size_in; + __u32 data_size_out; /* in: max length of data_out + * out: length of data_out + */ + const void *ctx_in; /* optional */ + void *ctx_out; /* optional */ + __u32 ctx_size_in; + __u32 ctx_size_out; /* in: max length of ctx_out + * out: length of cxt_out + */ + __u32 retval; /* out: return code of the BPF program */ + int repeat; + __u32 duration; /* out: average per repetition in ns */ + __u32 flags; + __u32 cpu; +}; +#define bpf_test_run_opts__last_field cpu + +LIBBPF_API int bpf_prog_test_run_opts(int prog_fd, + struct bpf_test_run_opts *opts); + #ifdef __cplusplus } /* extern "C" */ #endif |